Skills Hub

clinical-patient-care

Intradermal (ID) Injection

Always tested on the CCMA

Administer an intradermal injection (PPD, allergy tests).

About this skill

Intradermal injection at 10 to 15 degrees with the bevel up, producing a visible 6 mm wheal. TB tests (PPD) require reading at 48 to 72 hours.

13 total steps
6 critical steps
Time limit: 4 min

What graders are watching for

  • 1
    Bevel up, 10 to 15 degree angle
  • 2
    6 mm wheal confirms correct placement
  • 3
    PPD must be read by a trained clinician in 48 to 72 hours

Common mistakes (and how to avoid them)

  • !
    Inserting at 90 degrees (goes too deep)
  • !
    Not seeing a wheal (technique was wrong, test must be redone)
  • !
    Massaging the site (disperses the medication)

Practice this skill step-by-step

The static walkthrough above is the marketing overview. The full step-by-step interactive practice (with critical-step highlighting, per-step "why this matters" rationale, and what graders watch for on each individual step) is unlocked with a subscription.

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